Fluke 61 Handheld Infrared Thermometer, 9V Alkaline battery, 0 to 525 Degree F Range Infrared thermometer for noncontact surface temperature measurement for use in monitoring electrical, HVAC, and automotive systems Measures temperature from -18 to +275 degrees C (0 to 525 degrees F) with an accuracy of + or - 2% of the reading or + or - 2 degrees C (+ or - 3.5 degrees F), whichever is greater from -1 to +275 degrees C (30 to 525 degrees F) and + or -3 degrees C (+ or -5 degrees F) outside this range 8:1 infrared distance-to-spot ratio with laser sighting for pinpointing the measurement area Backlit display helps eliminate light reflections and improves contrast in low-light conditions CE mark indicates compliance with applicable EU directives